Document
ANSALDO
Ansaldo Trasporti s.p.a. Unita' Semiconduttori
Via N. Lorenzi 8 - I 16152 GENOVA - ITALY Tel. int. +39/(0)10 6556549 - (0)10 6556488 Fax Int. +39/(0)10 6442510 Tx 270318 ANSUSE I -
FAST RECOVERY DIODE
ARF221
Repetitive voltage up to Mean forward current Surge current 1400 V 415 A 5 kA
FINAL SPECIFICATION
ott 97 - ISSUE : 02
Symbol
Characteristic
Conditions
Tj [°C]
Value
Unit
BLOCKING
V RRM V RSM I
RRM
Repetitive peak reverse voltage Non-repetitive peak reverse voltage Repetitive peak reverse current V=VRRM
125 125 125
1400 1500 50
V V mA
CONDUCTING
I I I
F (AV)
Mean forward current Mean forward current Surge forward current I² t Forward voltage Threshold voltage Forward slope resistance
180° sin ,50 Hz, Th=55°C, double side cooled 180° square,50 Hz,Th=55°C,double side cooled Sine wave, 10 ms reapplied reverse voltage up to 50% VRSM 125
415 410 4.5 101 x1E3
A A kA A²s V V mohm
F (AV) FSM
I² t V FM V F(TO) r
F
Forward current = 600 A
125 125 125
1.47 1.05 0.70
SWITCHING
t rr Q rr I rr s V FR Reverse recovery time Reverse recovery charge Peak reverse recovery current Softness (s-factor), min Peak forward recovery V IF = di/dt = VR = 200 A 40 A/µs 50 V 50 A 125 2.0 50 µs µC
MOUNTING
R th(j-h) T F
j
Thermal impedance Operating junction temperature Mounting force Mass
Junction to heatsink, double side cooled
95 -30 / 125 4.5 / 5.0 55
°C/kW °C kN g
ORDERING INFORMATION : ARF221 S 14 standard specification
VRRM/100
ARF221 FAST RECOVERY DIODE
FINAL SPECIFICATION ott 97 - ISSUE : 02
ANSALDO
DISSIPATION CHARACTERISTICS SQUARE WAVE 800 700
120° 180° DC DC
600 Power Dissipation [W] 500
60°
90°
400
30°
300 200 100 0 0 100 200 300 400 500 600 Mean Forward Current [A]
SINE WAVE 800 700 Power Dissipation [W] 600
90° 120°
DC
180°
500
60°
400 300 200 100 0 0 100
30°
200
300
400
500
600
Mean Forward Current [A]
ARF221 FAST RECOVERY DIODE
FINAL SPECIFICATION ott 97 - ISSUE : 02
ANSALDO
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
40 35
Tj = 125 °C
30 25 VFR [V] 20
Tj = 25 °C
15 10
IF VFR
VF 5 0 0 200 400 600 di/dt [A/µs] 800 1000 1200
REVERSE RECOVERY CHARGE Tj = 125 °C
REVERSE RECOVERY CURRENT Tj = 125 °C
160
500 A
250
500 A 250 A
140 200 120 100 Qrr [µC] 80 60 40 50 20 0 0 100 200 di/dt [A/µs] 300 400 0 0 100 200 di/dt [A/µs] 300 Irr [A] 100
250 A
150
400
ta = Irr / (di/dt)
tb = trr - ta
IF
d i/d t ta
tb
Softness (s factor) s = tb / ta Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
Irr Vr
ARF221 FAST RECOVERY DIODE
FINAL SPECIFICATION ott 97 - ISSUE : 02
ANSALDO
FORWARD CHARACTERISTIC Tj = 125 °C
SURGE CHARACTERISTIC Tj = 125 °C
1400 1200 1000 Forward Current [A]
4.5 4 3.5 3 ITSM [kA] 0.6 1.1 1.6 2.1
800 600 400
2.5 2 1.5 1
200 0.5 0 Forward Voltage [V] 0 1 10 n° cycles 100
TRANSIENT THERMAL IMPEDANCE DOUBLE SIDE COOLED
100.0 90.0 80.0 70.0 Zth j-h [°C/kW] 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0.001 0.01 0.1 t[s] 1 10 100
Distributed by All the characteristics given in this data sheet are guaranteed only with clamping force, cleaned and lubricated heatsink, surfaces with flatness < and roughness < 2 µm. In the interest of product improvement ANSALDO reserves the right to any data given in this data sheet at any time without previous notice. If not stated otherwise the maximum value of ratings (simbols over background) and characteristics is reported. uniform .03 mm change shaded
.